China wholesale D2 Tool Steel | 1.2379 | X153CrMo12 | SKD11 Manufacturer in Islamabad

China wholesale
 D2 Tool Steel | 1.2379 | X153CrMo12 | SKD11 Manufacturer in Islamabad

Short Description:

1. Relevant D2 Steel Specifications Country USA German Japan Standard ASTM A681 DIN EN ISO 4957 JIS G4404 Grades D2 1.2379/X153CrMo12 SKD11 2. D2 Tool Steel Chemical Composition ASTM A681 C Mn P S Si Cr V Mo D2 1.4 1.6 0.1 0.6 0.03 0.03 0.1 0.6 11 13 0.5 1.1 0.7 1.2 DIN ISO 4957 C Mn P S Si Cr V Mo 1.2379/X153CrMo12 1.45 1.6 0.2 0.6 0.03 0.03 0.15 1.6 11 13 0.7 1 0.7 1 JIS G4404 C Mn P S Si Cr V Mo SKD11 1.4 1.6 0.6 0.03 0.03 0.4 11 13 0.2 0.5 0.8 1.2 3. AISI Grade...


  • Length: 3-5.8mm or Customization
  • Surface: black, peeled, or rough turned
  • Heat treatment: air-cooling, normalized, annealed, Q&T
  • Smelting process: EAF+LF+VD
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    Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs of China wholesale D2 Tool Steel | 1.2379 | X153CrMo12 | SKD11 Manufacturer in Islamabad, Create Values,Serving Customer!" is the aim we pursue. We sincerely hope that all customers will establish long term and mutually beneficial cooperation with us.If you wish to get more details about our company, Please contact with us now.


    1. Relevant D2 Steel Specifications

    Country USA German Japan
    Standard ASTM A681 DIN EN ISO 4957 JIS G4404
    Grades D2 1.2379/X153CrMo12 SKD11

    2. D2 Tool Steel Chemical Composition

    ASTM A681 C Mn P S Si Cr V Mo
    D2 1.4 1.6 0.1 0.6 0.03 0.03 0.1 0.6 11 13 0.5 1.1 0.7 1.2
    DIN ISO 4957 C Mn P S Si Cr V Mo
    1.2379/X153CrMo12 1.45 1.6 0.2 0.6 0.03 0.03 0.15 1.6 11 13 0.7 1 0.7 1
    JIS G4404 C Mn P S Si Cr V Mo
    SKD11 1.4 1.6 0.6 0.03 0.03 0.4 11 13 0.2 0.5 0.8 1.2

    3. AISI Grade D2 Steel Mechanical Properties

    Mechanical Properties Metric Imperial
    Hardness, Knoop (converted from Rockwell C hardness) 769 769
    Hardness, Rockwell C 62 62
    Hardness, Vickers 748 748
    Izod impact unnotched 77.0 J 56.8 ft-lb
    Poisson’s ratio 0.27-0.30 0.27-0.30
    Elastic modulus 190-210 GPa 27557-30457 ksi

    Thermal Properties

    Properties

    Conditions

    T (°C)

    Treatment

    Thermal expansion 10.4 x 10-6/ºC 20-100

    4. AISI/ASTM A681 D2 Grade Steel Forging

    Heating for forging of AISI D2 tool steel should
    be done slowly and uniformly. Soak through at 1850°-1950°F and reheat as often
    as necessary, stopping work when the temperature drops below 1700°F(926℃). After D2
    die steel forging, cool slowly in lime, mica, dry ashes or furnace. AISI D2 steel
    should always be annealed after forging.

    5. D2 Tool Steel Heat Treatment

    • Heat Treatment

    ASTM  D2 steels alloy should be preheated very slowly to 815oC (1500oF) and  then temperature can be increased to 1010oC (1850oF). They are then held  at 1010oC (1850oF) for 20 to 45 minutes and air cooled (air quenched).

    • Annealing

    Annealing  of D2 tool steels material should be done at 871 to 898oC (1600 to  1650oF) followed by slow furnace cooling at 4.4oC (40oF) per hour or  less.after which cooling rate may be increased. Suitable precautions  must be taken to prevent excessive carburization or decarburization.

    • Stress Relieving

    When  desirable to relieve the strains of machining, heat D2 grade steel  slowly to 1050°-1250°F, allow to equalize, and then cool in still air  (Strain Relieving).

    • Preheat Prior To Hardening

    Preheat slowly to 1350°-1450°F and hold at this temperature until grade steel D2 material is uniformly heated.

    • Hardening

    After  thorough preheating, heat to 1800°-1850°F. Hold the work piece at the  hardening temperature until it is completely and uniformly heated.

    • Quenching

    AISI  D2 steel tool material is an air hardening steel and will develop  hardness on cooling in still air. To avoid scaling and prevent  decarburization of the work piece surface, controlled atmosphere or  vacuum furnaces are recommended. If these furnaces are not available,  pack hardening, salt baths or wrapping the piece in stainless steel foil  will provide some degree of surface protection in the hardening  process. Parts should be allowed to cool to 150F, or to where they can  be held in the bare hand, and then temper immediately.

    • Tempering

    The  tempering temperature on material D2 steel may be varied according to  the desired hardness. D2 steels can be tempered at 204oC (400oF) for  achieving Rockwell C hardness of 61 and at 537oC (1000oF) for a Rockwell  C hardness of 54.

    6. D2 Tool Steel Material Application
     AISI grade D2 tool steels are used for long run tooling applications,  where wear resistance is important, such as blanking or forming dies and  thread rolling dies.

    Some main applications for D2 tool steel are as below:

    Blanking  Dies, Forming Dies, Coining Dies, Slitting Cutters, Heading Tools, Long  Punches, Forming Rolls, Edging Rolls, Master Tools, Beading Rolls,  Intricate Punches, Extrusion Dies, Drawing Dies, Lamination Dies, Thread  Rolling Dies, Shear Blades, Burnishing Tools, Gauges, Knurls, Wear  Parts.

    We usually hold D2 tool  steel on sale activities, and you would have our price on regular  schedule. Contact us and sign in our newsletter to have D2 tool steel  materials price list and commercial quote today.

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  • Houghton have a long standing history with the AMRC and NAMRC. Craig Hamp tells MTD all about it including how they developed HOCUT 795N with the help of the AMRC for the machining of heat resistant alloys and stainless steels. Also included in the video is Craig telling Joe Reynolds about the fantastic support he gets from Houghton’s fluid care program.

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    Full specifications ST-30 on the Haas webpage: http://bit.ly/1mnPzhp

    The ST-30 is the latest Haas high-performance turning centre — designed to provide heavy cutting ability, extreme rigidity and high thermal stability. It has a maximum cutting capacity of 533 x 660 mm, with maximum swings of 806 mm over the front apron and 527 mm over the cross slide.

    The standard 30 hp spindle yields 275 ft-lb of torque at 700 rpm, and spins to 3400 rpm. For heavy cutting operations, an optional 2-speed gearbox increases torque to 840 ft-lb at 200 rpm. The A2-6 spindle nose is equipped with a 10″ hydraulic 3-jaw chuck. The machine is equipped with a 12-station bolt-on style tool turret.

    Adding the 4.0″ big-bore option yields a larger bar capacity, and upgrades the machine to an A2-8 spindle nose, 12″ chuck, 40 hp vector drive system, and a 2-speed gearbox. High-torque live tooling and C axis boost capabilities even further.

    Visit Haas UK online here: http://www.haas.co.uk

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